“As a young, working woman with a sweet tooth, I understand the desire and effort required to stay trim but found that the low-calorie treats on the market could not satisfy my craving for an indulgent food,” the Daily Mail quoted her as telling the magazine.

But she said that it was not possible to measure how much eating the treats would help boost the metabolism, as ‘everyone is different

Klever Kalories now plans to extend the range, which is being, supported with press and sampling activity, into cupcakes, chocolate and savoury snacks such as crisps.